Ask a Question forum: Thompson grapes

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San Diego
Feb 20, 2018 2:08 PM CST
Do Thompson grapes grow in trellis? If they don't what's the best way to hang them ? I have 2 post about 6ft long with a wire on top

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Name: Frank Mosher
Nova Scotia, Canada (Zone 6a)
Lover of wildlife (Raccoon badge) Birds Roses Clematis Lilies Peonies
Region: Canadian Photo Contest Winner: 2017 Million Pollinator Garden Challenge
Feb 20, 2018 2:30 PM CST
That' great! If you haven't planted it yet, I would plant it in the middle between posts, lop off the top when it reaches the wire (save enough to tie it to same) and then work on training two side canes, one in each direction. You will have to sick in something to hold the new vine upright, until it reaches the wire. Alternatively, you can attach another wire midway up between the two poles, the ideal being a scarecrow with two arms out on each side. Third year should be grapes. Note: Have to prune grapes in early Spring rather hard! Save the cuttings, make certain you know which end is up, and stick them in the ground with a little rooting hormone on them. Or inside on a heating mat until they take. So when pruning for grapes in third year, on each of those either two or four horizontal canes, cut each offshoot back to two nodes - not the main cane, but offshoot branches off same. Cheers!
Name: Philip Becker
Fresno California (Zone 8a)
Feb 21, 2018 12:40 PM CST
No need to save canes, unless your planing on starting more vines.

Your posts need a 3 foot 2 x 4 at top, to make Tee's, also brace ends of 2 x 4's. Then vineyard wire at end of each Tee, so you have two, parallel, horizontal wires.

Plant a vine at each post. It looks like you have more than two. If not, cut a cane off of vine, and bury it two thirds deep, keep it watered. It will root. I've never used rooting hormone.

Thompsom's only produce on previous years canes. Not spurs.

Then, Google pruning Thompson grape vines. Maybe, care also.

You'll be set ! 👍👍👍

Anything i say, could be misrepresented, or wrong.

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